Properties

Label 175.22
Modulus $175$
Conductor $25$
Order $20$
Real no
Primitive no
Minimal yes
Parity odd

Related objects

Learn more about

Show commands for: Pari/GP / SageMath
sage: from sage.modular.dirichlet import DirichletCharacter
 
sage: H = DirichletGroup(175, base_ring=CyclotomicField(20))
 
sage: M = H._module
 
sage: chi = DirichletCharacter(H, M([17,0]))
 
pari: [g,chi] = znchar(Mod(22,175))
 

Basic properties

Modulus: \(175\)
Conductor: \(25\)
sage: chi.conductor()
 
pari: znconreyconductor(g,chi)
 
Order: \(20\)
sage: chi.multiplicative_order()
 
pari: charorder(g,chi)
 
Real: no
Primitive: no, induced from \(\chi_{25}(22,\cdot)\)
sage: chi.is_primitive()
 
pari: #znconreyconductor(g,chi)==1
 
Minimal: yes
Parity: odd
sage: chi.is_odd()
 
pari: zncharisodd(g,chi)
 

Galois orbit 175.r

\(\chi_{175}(8,\cdot)\) \(\chi_{175}(22,\cdot)\) \(\chi_{175}(78,\cdot)\) \(\chi_{175}(92,\cdot)\) \(\chi_{175}(113,\cdot)\) \(\chi_{175}(127,\cdot)\) \(\chi_{175}(148,\cdot)\) \(\chi_{175}(162,\cdot)\)

sage: chi.galois_orbit()
 
pari: order = charorder(g,chi)
 
pari: [ charpow(g,chi, k % order) | k <-[1..order-1], gcd(k,order)==1 ]
 

Related number fields

Field of values: \(\Q(\zeta_{20})\)
Fixed field: \(\Q(\zeta_{25})\)

Values on generators

\((127,101)\) → \((e\left(\frac{17}{20}\right),1)\)

Values

\(-1\)\(1\)\(2\)\(3\)\(4\)\(6\)\(8\)\(9\)\(11\)\(12\)\(13\)\(16\)
\(-1\)\(1\)\(e\left(\frac{17}{20}\right)\)\(e\left(\frac{19}{20}\right)\)\(e\left(\frac{7}{10}\right)\)\(e\left(\frac{4}{5}\right)\)\(e\left(\frac{11}{20}\right)\)\(e\left(\frac{9}{10}\right)\)\(e\left(\frac{3}{5}\right)\)\(e\left(\frac{13}{20}\right)\)\(e\left(\frac{3}{20}\right)\)\(e\left(\frac{2}{5}\right)\)
value at e.g. 2

Gauss sum

sage: chi.gauss_sum(a)
 
pari: znchargauss(g,chi,a)
 
\( \tau_{ a }( \chi_{ 175 }(22,·) )\;\) at \(\;a = \) e.g. 2
\(\displaystyle \tau_{2}(\chi_{175}(22,\cdot)) = \sum_{r\in \Z/175\Z} \chi_{175}(22,r) e\left(\frac{2r}{175}\right) = 4.6488824294+-1.8406227634i \)

Jacobi sum

sage: chi.jacobi_sum(n)
 
\( J(\chi_{ 175 }(22,·),\chi_{ 175 }(n,·)) \;\) for \( \; n = \) e.g. 1
\( \displaystyle J(\chi_{175}(22,\cdot),\chi_{175}(1,\cdot)) = \sum_{r\in \Z/175\Z} \chi_{175}(22,r) \chi_{175}(1,1-r) = 0 \)

Kloosterman sum

sage: chi.kloosterman_sum(a,b)
 
\(K(a,b,\chi_{ 175 }(22,·)) \;\) at \(\; a,b = \) e.g. 1,2
\( \displaystyle K(1,2,\chi_{175}(22,·)) = \sum_{r \in \Z/175\Z} \chi_{175}(22,r) e\left(\frac{1 r + 2 r^{-1}}{175}\right) = 0.0 \)